Penstemon barbatus
perennialN. America Native

Penstemon barbatus

Scarlet Beardtongue

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Low to moderate

Humidity

Average

Lifespan

Perennial

Native To

Western North America

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Penstemon barbatus, commonly known as Bearded Tongue, is a perennial plant valued for its vibrant tubular flowers and ability to attract pollinators. This species is known for its drought tolerance and is favored in rock gardens and xeriscapes.

Bloom Period:

J
F
M
A
M
J
J
A
S
O
N
D
EarlyLate

Uses & Benefits:

Ornamental UsesPenstemon barbatus offers vibrant spikes of red flowers that attract hummingbirds and butterflies, adding lively color to gardens.
Practical UsesIts drought tolerance makes it ideal for water-wise landscaping, reducing irrigation needs.
Ecological BenefitsProvides nectar for pollinators and supports local biodiversity.

Marketplace

Where to Buy

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Planting

How to Grow

  1. Tuck seeds into well-draining soil in early spring for best germination.
  2. Mist cuttings lightly to maintain humidity and encourage rooting.
  3. Plant in full sun for optimal growth and flowering.
  4. Water regularly but avoid waterlogging to prevent root rot.
  5. Fertilize with a balanced, slow-release fertilizer in spring and summer.
  6. Prune after flowering to promote bushy growth and remove dead stems.

Pro Tip

Ensure excellent drainage to prevent root rot and promote vigorous flowering.

Keep It Thriving

Care Guide

Do

  • Water deeply during dry spells 🌱
  • Deadhead spent flowers to encourage more blooms
  • Apply mulch to retain soil moisture

Don't

  • Overwater to avoid root rot ❌
  • Neglect pruning after flowering ❌
  • Use heavy, clay soil without amendment ❌

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Propagate
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bold, colorful border plantWildflower meadow accentDrought-tolerant garden feature

Companion Plants

Salvia Lavender Coreopsis Echinacea Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions